Difference between revisions of "Fermium"

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===Further reading===
 
===Further reading===
*{{citation | last = Hulet | first = E. K. | contribution = Chemistry of the Heaviest Actinides: Fermium, Mendelevium, Nobelium, and Lawrencium | title = Lanthanide and Actinide Chemistry and Spectroscopy | editor1-first = Norman M. | editor1-last = Edelstein | chapter = 12 | pages = 239–63 | doi = 10.1021/bk-1980-0131.ch012 | id = ACS Symposium Series, Vol. 131 | publisher = American Chemical Society | location = Washingtom, D.C. | isbn = 9780841205680}}.
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*{{citation | last = Hulet | first = E. K. | contribution = Chemistry of the Heaviest Actinides: Fermium, Mendelevium, Nobelium, and Lawrencium | title = Lanthanide and Actinide Chemistry and Spectroscopy | editor1-first = Norman M. | editor1-last = Edelstein | chapter = 12 | pages = 239–63 | doi = 10.1021/bk-1980-0131.ch012 | id = ACS Symposium Series, Vol. 131 | publisher = American Chemical Society | location = Washington, D.C. | isbn = 9780841205680}}.
*{{citation | last = Silva | first = Robert J. | contribution = Fermium, Mendelevium, Nobelium, and Lawrencium | title = The Chemistry of the Actinide and Transactinide Elements | editor1-first = Lester R. | editor1-last = Morss | editor2-first = Norman M. | editor2-last = Edelstein | editor3-first = Jean | editor3-last = Fuger | edition = 3rd | year = 2006 | volume = 3 | publisher = Springer | location = Dordrecht | pages = 1621–51 | url = http://radchem.nevada.edu/classes/rdch710/files/Fm%20to%20Lr.pdf | doi = 10.1007/1-4020-3598-5_13}}
+
*{{citation | last = Silva | first = Robert J. | contribution = Fermium, Mendelevium, Nobelium, and Lawrencium | title = The Chemistry of the Actinide and Transactinide Elements | editor1-first = Lester R. | editor1-last = Morss | editor2-first = Norman M. | editor2-last = Edelstein | editor3-first = Jean | editor3-last = Fuger | edition = 3rd | year = 2006 | volume = 3 | publisher = Springer | location = Dordrecht | chapter = 13 | pages = 1621–51 | url = http://radchem.nevada.edu/classes/rdch710/files/Fm%20to%20Lr.pdf | doi = 10.1007/1-4020-3598-5_13}}
  
 
==External links==
 
==External links==

Revision as of 08:18, 23 September 2010

einsteiniumfermiummendelevium
Er

Fm

Atomic properties
Atomic number 100
Electron configuration [Rn]5f12 6s2
Physical properties[1]
Melting point 1125 K (850 °C) est.
Chemical properties
Electronegativity 1.3 (Pauling) est.
Ionization energy
6.50 eV
627 kJ mol−1
Atomic radii[1][2][3]
Metallic radius 196 pm est.
Ionic radius 92 pm (Fm3+) est.
Thermodynamic properties[1]
Enthalpy change of atomization 142(13) kJ mol−1
Miscellaneous
CAS number 7440-72-4
Where appropriate, and unless otherwise stated, data are given for 100 kPa (1 bar) and 298.15 K (25 °C).

Fermium (symbol: Fm) is a synthetic chemical element and a member of the actinoid series. It is the heaviest element than can be formed by neutron bombardment of lighter elements, and hence the last element that can be prepared in macroscopic quantities.

Discovery

Notes and references

Notes

References

  1. 1.0 1.1 1.2 Haire and Gibson (1989)
  2. David et al. (1978)
  3. Brüchle et al. (1988)

Further reading

External links

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